23013231019 has 2 divisors, whose sum is σ = 23013231020. Its totient is φ = 23013231018.

The previous prime is 23013230987. The next prime is 23013231037. The reversal of 23013231019 is 91013231032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23013231019 - 2⁵ = 23013230987 is a prime.

It is a super-2 number, since 2×23013231019² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23013230984 and 23013231002.

It is not a weakly prime, because it can be changed into another prime (23013231089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11506615509 + 11506615510.

It is an arithmetic number, because the mean of its divisors is an integer number (11506615510).

Almost surely, 2^23013231019 is an apocalyptic number.

23013231019 is a deficient number, since it is larger than the sum of its proper divisors (1).

23013231019 is an equidigital number, since it uses as much as digits as its factorization.

23013231019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

The spelling of 23013231019 in words is "twenty-three billion, thirteen million, two hundred thirty-one thousand, nineteen".