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23153142404 = 2272791296273
BaseRepresentation
bin10101100100000010…
…001110101010000100
32012202120201111110202
4111210002032222010
5334404201024104
614345244110032
71446520314620
oct254402165204
965676644422
1023153142404
119901388637
1245a1b35318
13224ca1b482
141198d94180
159079b051e
hex56408ea84

23153142404 has 24 divisors (see below), whose sum is σ = 46323032448. Its totient is φ = 9919186560.

The previous prime is 23153142403. The next prime is 23153142449. The reversal of 23153142404 is 40424135132.

It is not an unprimeable number, because it can be changed into a prime (23153142403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69989 + ... + 226284.

It is an arithmetic number, because the mean of its divisors is an integer number (1930126352).

Almost surely, 223153142404 is an apocalyptic number.

It is an amenable number.

23153142404 is an abundant number, since it is smaller than the sum of its proper divisors (23169890044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23153142404 is a wasteful number, since it uses less digits than its factorization.

23153142404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299075 (or 299073 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 23153142404 its reverse (40424135132), we get a palindrome (63577277536).

The spelling of 23153142404 in words is "twenty-three billion, one hundred fifty-three million, one hundred forty-two thousand, four hundred four".

Divisors: 1 2 4 7 14 28 2791 5582 11164 19537 39074 78148 296273 592546 1185092 2073911 4147822 8295644 826897943 1653795886 3307591772 5788285601 11576571202 23153142404