23378633457 has 16 divisors (see below), whose sum is σ = 31308557760. Its totient is φ = 15517382400.

The previous prime is 23378633449. The next prime is 23378633459. The reversal of 23378633457 is 75433687332.

It is not a de Polignac number, because 23378633457 - 2³ = 23378633449 is a prime.

It is a super-3 number, since 3×23378633457³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (23378633459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 620982 + ... + 657552.

It is an arithmetic number, because the mean of its divisors is an integer number (1956784860).

Almost surely, 2^23378633457 is an apocalyptic number.

It is an amenable number.

23378633457 is a deficient number, since it is larger than the sum of its proper divisors (7929924303).

23378633457 is a wasteful number, since it uses less digits than its factorization.

23378633457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37504.

The product of its digits is 7620480, while the sum is 51.

The spelling of 23378633457 in words is "twenty-three billion, three hundred seventy-eight million, six hundred thirty-three thousand, four hundred fifty-seven".