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23303443430 = 2517137079079
BaseRepresentation
bin10101101100111111…
…100101001111100110
32020011001112120201102
4111230333211033212
5340211140142210
614412213400102
71453324000211
oct255477451746
966131476642
1023303443430
119979205a63
124624339032
132274bc43a7
1411b0d1a778
15915c9dea5
hex56cfe53e6

23303443430 has 16 divisors (see below), whose sum is σ = 44413621920. Its totient is φ = 8773060992.

The previous prime is 23303443391. The next prime is 23303443433. The reversal of 23303443430 is 3434430332.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23303443393 and 23303443402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23303443433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68539370 + ... + 68539709.

It is an arithmetic number, because the mean of its divisors is an integer number (2775851370).

Almost surely, 223303443430 is an apocalyptic number.

23303443430 is a deficient number, since it is larger than the sum of its proper divisors (21110178490).

23303443430 is a wasteful number, since it uses less digits than its factorization.

23303443430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137079103.

The product of its (nonzero) digits is 31104, while the sum is 29.

Adding to 23303443430 its reverse (3434430332), we get a palindrome (26737873762).

The spelling of 23303443430 in words is "twenty-three billion, three hundred three million, four hundred forty-three thousand, four hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 137079079 274158158 685395395 1370790790 2330344343 4660688686 11651721715 23303443430