901623523 has 2 divisors, whose sum is σ = 901623524. Its totient is φ = 901623522.

The previous prime is 901623517. The next prime is 901623551. The reversal of 901623523 is 325326109.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 901623523 - 2¹³ = 901615331 is a prime.

It is not a weakly prime, because it can be changed into another prime (901623553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 450811761 + 450811762.

It is an arithmetic number, because the mean of its divisors is an integer number (450811762).

Almost surely, 2^901623523 is an apocalyptic number.

901623523 is a deficient number, since it is larger than the sum of its proper divisors (1).

901623523 is an equidigital number, since it uses as much as digits as its factorization.

901623523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 901623523 is about 30027.0465247583. The cubic root of 901623523 is about 966.0695892811.

The spelling of 901623523 in words is "nine hundred one million, six hundred twenty-three thousand, five hundred twenty-three".