400123746527 has 2 divisors, whose sum is σ = 400123746528. Its totient is φ = 400123746526.

The previous prime is 400123746497. The next prime is 400123746557. The reversal of 400123746527 is 725647321004.

It is a balanced prime because it is at equal distance from previous prime (400123746497) and next prime (400123746557).

It is a cyclic number.

It is not a de Polignac number, because 400123746527 - 2¹⁰ = 400123745503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400123746557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200061873263 + 200061873264.

It is an arithmetic number, because the mean of its divisors is an integer number (200061873264).

Almost surely, 2^400123746527 is an apocalyptic number.

400123746527 is a deficient number, since it is larger than the sum of its proper divisors (1).

400123746527 is an equidigital number, since it uses as much as digits as its factorization.

400123746527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 400123746527 in words is "four hundred billion, one hundred twenty-three million, seven hundred forty-six thousand, five hundred twenty-seven".