23735642122 has 8 divisors (see below), whose sum is σ = 36831168900. Its totient is φ = 11458585824.

The previous prime is 23735642101. The next prime is 23735642123. The reversal of 23735642122 is 22124653732.

It can be written as a sum of positive squares in 2 ways, for example, as 21251516841 + 2484125281 = 145779^2 + 49841^2 .

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

It is not an unprimeable number, because it can be changed into a prime (23735642123) 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, 204617547 + ... + 204617662.

Almost surely, 2^23735642122 is an apocalyptic number.

23735642122 is a deficient number, since it is larger than the sum of its proper divisors (13095526778).

23735642122 is a wasteful number, since it uses less digits than its factorization.

23735642122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409235240.

The product of its digits is 120960, while the sum is 37.

The spelling of 23735642122 in words is "twenty-three billion, seven hundred thirty-five million, six hundred forty-two thousand, one hundred twenty-two".