23355912961 has 8 divisors (see below), whose sum is σ = 25582542120. Its totient is φ = 21224034048.

The previous prime is 23355912953. The next prime is 23355912973. The reversal of 23355912961 is 16921955332.

It can be written as a sum of positive squares in 4 ways, for example, as 14201250561 + 9154662400 = 119169^2 + 95680^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23355912961 - 2³ = 23355912953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23355912911) 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, 23687046 + ... + 23688031.

It is an arithmetic number, because the mean of its divisors is an integer number (3197817765).

Almost surely, 2^23355912961 is an apocalyptic number.

It is an amenable number.

23355912961 is a deficient number, since it is larger than the sum of its proper divisors (2226629159).

23355912961 is a wasteful number, since it uses less digits than its factorization.

23355912961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47375123.

The product of its digits is 437400, while the sum is 46.

The spelling of 23355912961 in words is "twenty-three billion, three hundred fifty-five million, nine hundred twelve thousand, nine hundred sixty-one".