23121036467 has 2 divisors, whose sum is σ = 23121036468. Its totient is φ = 23121036466.

The previous prime is 23121036461. The next prime is 23121036481. The reversal of 23121036467 is 76463012132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23121036467 - 2²⁴ = 23104259251 is a prime.

It is not a weakly prime, because it can be changed into another prime (23121036461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11560518233 + 11560518234.

It is an arithmetic number, because the mean of its divisors is an integer number (11560518234).

Almost surely, 2^23121036467 is an apocalyptic number.

23121036467 is a deficient number, since it is larger than the sum of its proper divisors (1).

23121036467 is an equidigital number, since it uses as much as digits as its factorization.

23121036467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

Adding to 23121036467 its reverse (76463012132), we get a palindrome (99584048599).

The spelling of 23121036467 in words is "twenty-three billion, one hundred twenty-one million, thirty-six thousand, four hundred sixty-seven".