10400231399 has 2 divisors, whose sum is σ = 10400231400. Its totient is φ = 10400231398.

The previous prime is 10400231377. The next prime is 10400231411. The reversal of 10400231399 is 99313200401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10400231399 - 2⁸ = 10400231143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10420231399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5200115699 + 5200115700.

It is an arithmetic number, because the mean of its divisors is an integer number (5200115700).

Almost surely, 2^10400231399 is an apocalyptic number.

10400231399 is a deficient number, since it is larger than the sum of its proper divisors (1).

10400231399 is an equidigital number, since it uses as much as digits as its factorization.

10400231399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 10400231399 in words is "ten billion, four hundred million, two hundred thirty-one thousand, three hundred ninety-nine".