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23321400413 = 1923252121169
BaseRepresentation
bin10101101110000100…
…000101010001011101
32020012022022220001212
4111232010011101131
5340230234303123
614414054314205
71453632430013
oct255604052135
966168286055
1023321400413
119988360343
12462a358965
13227884091c
1411b34728b3
15917649878
hex56e10545d

23321400413 has 16 divisors (see below), whose sum is σ = 25627555200. Its totient is φ = 21123970560.

The previous prime is 23321400383. The next prime is 23321400437. The reversal of 23321400413 is 31400412332.

It is a cyclic number.

It is not a de Polignac number, because 23321400413 - 220 = 23320351837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23321430413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1091093 + ... + 1112261.

It is an arithmetic number, because the mean of its divisors is an integer number (1601722200).

Almost surely, 223321400413 is an apocalyptic number.

23321400413 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23321400413 is a deficient number, since it is larger than the sum of its proper divisors (2306154787).

23321400413 is a wasteful number, since it uses less digits than its factorization.

23321400413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23732.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23321400413 its reverse (31400412332), we get a palindrome (54721812745).

The spelling of 23321400413 in words is "twenty-three billion, three hundred twenty-one million, four hundred thousand, four hundred thirteen".

Divisors: 1 19 23 437 2521 21169 47899 57983 402211 486887 1101677 9250853 53367049 1013973931 1227442127 23321400413