1672572948523 has 2 divisors, whose sum is σ = 1672572948524. Its totient is φ = 1672572948522.

The previous prime is 1672572948467. The next prime is 1672572948637. The reversal of 1672572948523 is 3258492752761.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1672572948523 - 2¹⁷ = 1672572817451 is a prime.

It is not a weakly prime, because it can be changed into another prime (1672572948923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836286474261 + 836286474262.

It is an arithmetic number, because the mean of its divisors is an integer number (836286474262).

Almost surely, 2^{1672572948523} is an apocalyptic number.

1672572948523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672572948523 is an equidigital number, since it uses as much as digits as its factorization.

1672572948523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50803200, while the sum is 61.

The spelling of 1672572948523 in words is "one trillion, six hundred seventy-two billion, five hundred seventy-two million, nine hundred forty-eight thousand, five hundred twenty-three".