23121068407 has 2 divisors, whose sum is σ = 23121068408. Its totient is φ = 23121068406.

The previous prime is 23121068401. The next prime is 23121068431. The reversal of 23121068407 is 70486012132.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23121068407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23121068401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11560534203 + 11560534204.

It is an arithmetic number, because the mean of its divisors is an integer number (11560534204).

Almost surely, 2^23121068407 is an apocalyptic number.

23121068407 is a deficient number, since it is larger than the sum of its proper divisors (1).

23121068407 is an equidigital number, since it uses as much as digits as its factorization.

23121068407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 23121068407 in words is "twenty-three billion, one hundred twenty-one million, sixty-eight thousand, four hundred seven".