1453654131623 has 2 divisors, whose sum is σ = 1453654131624. Its totient is φ = 1453654131622.

The previous prime is 1453654131613. The next prime is 1453654131647. The reversal of 1453654131623 is 3261314563541.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1453654131623 - 2²² = 1453649937319 is a prime.

It is a super-2 number, since 2×1453654131623² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1453654131613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726827065811 + 726827065812.

It is an arithmetic number, because the mean of its divisors is an integer number (726827065812).

Almost surely, 2^{1453654131623} is an apocalyptic number.

1453654131623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1453654131623 is an equidigital number, since it uses as much as digits as its factorization.

1453654131623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 44.

The spelling of 1453654131623 in words is "one trillion, four hundred fifty-three billion, six hundred fifty-four million, one hundred thirty-one thousand, six hundred twenty-three".