23887956146 has 8 divisors (see below), whose sum is σ = 36149031324. Its totient is φ = 11838279040.

The previous prime is 23887956143. The next prime is 23887956173. The reversal of 23887956146 is 64165978832.

It can be written as a sum of positive squares in 2 ways, for example, as 20331622921 + 3556333225 = 142589^2 + 59635^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23887956143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52849235 + ... + 52849686.

Almost surely, 2^23887956146 is an apocalyptic number.

23887956146 is a deficient number, since it is larger than the sum of its proper divisors (12261075178).

23887956146 is a wasteful number, since it uses less digits than its factorization.

23887956146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105699036.

The product of its digits is 17418240, while the sum is 59.

The spelling of 23887956146 in words is "twenty-three billion, eight hundred eighty-seven million, nine hundred fifty-six thousand, one hundred forty-six".