23455667790 has 48 divisors (see below), whose sum is σ = 61576845408. Its totient is φ = 6194115648.

The previous prime is 23455667749. The next prime is 23455667797. The reversal of 23455667790 is 9776655432.

23455667790 is a `hidden beast` number, since 2 + 3 + 4 + 5 + 566 + 7 + 79 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23455667797) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1255869 + ... + 1274408.

It is an arithmetic number, because the mean of its divisors is an integer number (1282850946).

Almost surely, 2^23455667790 is an apocalyptic number.

23455667790 is an abundant number, since it is smaller than the sum of its proper divisors (38121177618).

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

23455667790 is a wasteful number, since it uses less digits than its factorization.

23455667790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530393 (or 2530390 counting only the distinct ones).

The product of its (nonzero) digits is 9525600, while the sum is 54.

The spelling of 23455667790 in words is "twenty-three billion, four hundred fifty-five million, six hundred sixty-seven thousand, seven hundred ninety".