400364360723 has 2 divisors, whose sum is σ = 400364360724. Its totient is φ = 400364360722.

The previous prime is 400364360713. The next prime is 400364360729. The reversal of 400364360723 is 327063463004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400364360723 - 2¹⁸ = 400364098579 is a prime.

It is not a weakly prime, because it can be changed into another prime (400364360729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200182180361 + 200182180362.

It is an arithmetic number, because the mean of its divisors is an integer number (200182180362).

Almost surely, 2^400364360723 is an apocalyptic number.

400364360723 is a deficient number, since it is larger than the sum of its proper divisors (1).

400364360723 is an equidigital number, since it uses as much as digits as its factorization.

400364360723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 38.

The spelling of 400364360723 in words is "four hundred billion, three hundred sixty-four million, three hundred sixty thousand, seven hundred twenty-three".