23300156461 has 4 divisors (see below), whose sum is σ = 23456533500. Its totient is φ = 23143779424.

The previous prime is 23300156449. The next prime is 23300156471. The reversal of 23300156461 is 16465100332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5765364900 + 17534791561 = 75930^2 + 132419^2 .

It is a cyclic number.

It is not a de Polignac number, because 23300156461 - 2⁷ = 23300156333 is a prime.

It is a super-2 number, since 2×23300156461² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23300156441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78188296 + ... + 78188593.

It is an arithmetic number, because the mean of its divisors is an integer number (5864133375).

Almost surely, 2^23300156461 is an apocalyptic number.

It is an amenable number.

23300156461 is a deficient number, since it is larger than the sum of its proper divisors (156377039).

23300156461 is a wasteful number, since it uses less digits than its factorization.

23300156461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156377038.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 23300156461 its reverse (16465100332), we get a palindrome (39765256793).

The spelling of 23300156461 in words is "twenty-three billion, three hundred million, one hundred fifty-six thousand, four hundred sixty-one".