1672037185523 has 2 divisors, whose sum is σ = 1672037185524. Its totient is φ = 1672037185522.

The previous prime is 1672037185513. The next prime is 1672037185543. The reversal of 1672037185523 is 3255817302761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1672037185523 - 2¹⁸ = 1672036923379 is a prime.

It is not a weakly prime, because it can be changed into another prime (1672037185513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836018592761 + 836018592762.

It is an arithmetic number, because the mean of its divisors is an integer number (836018592762).

Almost surely, 2^{1672037185523} is an apocalyptic number.

1672037185523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672037185523 is an equidigital number, since it uses as much as digits as its factorization.

1672037185523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 1672037185523 in words is "one trillion, six hundred seventy-two billion, thirty-seven million, one hundred eighty-five thousand, five hundred twenty-three".