29431325423 has 2 divisors, whose sum is σ = 29431325424. Its totient is φ = 29431325422.

The previous prime is 29431325387. The next prime is 29431325491. The reversal of 29431325423 is 32452313492.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29431325423 - 2¹⁰ = 29431324399 is a prime.

It is a super-2 number, since 2×29431325423² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29431325023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14715662711 + 14715662712.

It is an arithmetic number, because the mean of its divisors is an integer number (14715662712).

Almost surely, 2^29431325423 is an apocalyptic number.

29431325423 is a deficient number, since it is larger than the sum of its proper divisors (1).

29431325423 is an equidigital number, since it uses as much as digits as its factorization.

29431325423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 38.

The spelling of 29431325423 in words is "twenty-nine billion, four hundred thirty-one million, three hundred twenty-five thousand, four hundred twenty-three".