23860197553 has 4 divisors (see below), whose sum is σ = 23861951488. Its totient is φ = 23858443620.

The previous prime is 23860197481. The next prime is 23860197589. The reversal of 23860197553 is 35579106832.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23860197553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23860197497 and 23860197506.

It is not an unprimeable number, because it can be changed into a prime (23860197593) 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, 856401 + ... + 883822.

It is an arithmetic number, because the mean of its divisors is an integer number (5965487872).

Almost surely, 2^23860197553 is an apocalyptic number.

It is an amenable number.

23860197553 is a deficient number, since it is larger than the sum of its proper divisors (1753935).

23860197553 is a wasteful number, since it uses less digits than its factorization.

23860197553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753934.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 23860197553 in words is "twenty-three billion, eight hundred sixty million, one hundred ninety-seven thousand, five hundred fifty-three".