23765120002 has 16 divisors (see below), whose sum is σ = 38393406072. Its totient is φ = 10967489280.

The previous prime is 23765119981. The next prime is 23765120021. The reversal of 23765120002 is 20002156732.

It can be written as a sum of positive squares in 4 ways, for example, as 20509390521 + 3255729481 = 143211^2 + 57059^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288352 + ... + 361492.

Almost surely, 2^23765120002 is an apocalyptic number.

23765120002 is a deficient number, since it is larger than the sum of its proper divisors (14628286070).

23765120002 is a wasteful number, since it uses less digits than its factorization.

23765120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85653.

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 23765120002 its reverse (20002156732), we get a palindrome (43767276734).

The spelling of 23765120002 in words is "twenty-three billion, seven hundred sixty-five million, one hundred twenty thousand, two".