32451554923 has 2 divisors, whose sum is σ = 32451554924. Its totient is φ = 32451554922.

The previous prime is 32451554911. The next prime is 32451554953. The reversal of 32451554923 is 32945515423.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32451554923 - 2⁹ = 32451554411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32451554923.

It is not a weakly prime, because it can be changed into another prime (32451554903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16225777461 + 16225777462.

It is an arithmetic number, because the mean of its divisors is an integer number (16225777462).

Almost surely, 2^32451554923 is an apocalyptic number.

32451554923 is a deficient number, since it is larger than the sum of its proper divisors (1).

32451554923 is an equidigital number, since it uses as much as digits as its factorization.

32451554923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648000, while the sum is 43.

The spelling of 32451554923 in words is "thirty-two billion, four hundred fifty-one million, five hundred fifty-four thousand, nine hundred twenty-three".