223429111831 has 2 divisors, whose sum is σ = 223429111832. Its totient is φ = 223429111830.

The previous prime is 223429111777. The next prime is 223429111849. The reversal of 223429111831 is 138111924322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223429111831 - 2¹⁵ = 223429079063 is a prime.

It is a super-2 number, since 2×223429111831² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223429121831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111714555915 + 111714555916.

It is an arithmetic number, because the mean of its divisors is an integer number (111714555916).

Almost surely, 2^223429111831 is an apocalyptic number.

223429111831 is a deficient number, since it is larger than the sum of its proper divisors (1).

223429111831 is an equidigital number, since it uses as much as digits as its factorization.

223429111831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 37.

The spelling of 223429111831 in words is "two hundred twenty-three billion, four hundred twenty-nine million, one hundred eleven thousand, eight hundred thirty-one".