90469142623 has 2 divisors, whose sum is σ = 90469142624. Its totient is φ = 90469142622.

The previous prime is 90469142597. The next prime is 90469142629. The reversal of 90469142623 is 32624196409.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90469142623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90469142629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45234571311 + 45234571312.

It is an arithmetic number, because the mean of its divisors is an integer number (45234571312).

Almost surely, 2^90469142623 is an apocalyptic number.

90469142623 is a deficient number, since it is larger than the sum of its proper divisors (1).

90469142623 is an equidigital number, since it uses as much as digits as its factorization.

90469142623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 90469142623 in words is "ninety billion, four hundred sixty-nine million, one hundred forty-two thousand, six hundred twenty-three".