23151775802 has 16 divisors (see below), whose sum is σ = 34886095200. Its totient is φ = 11523185520.

The previous prime is 23151775793. The next prime is 23151775807. The reversal of 23151775802 is 20857715132.

It is a self number, because there is not a number n which added to its sum of digits gives 23151775802.

It is not an unprimeable number, because it can be changed into a prime (23151775807) 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, 409724 + ... + 462792.

It is an arithmetic number, because the mean of its divisors is an integer number (2180380950).

Almost surely, 2^23151775802 is an apocalyptic number.

23151775802 is a deficient number, since it is larger than the sum of its proper divisors (11734319398).

23151775802 is a wasteful number, since it uses less digits than its factorization.

23151775802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54061.

The product of its (nonzero) digits is 117600, while the sum is 41.

The spelling of 23151775802 in words is "twenty-three billion, one hundred fifty-one million, seven hundred seventy-five thousand, eight hundred two".