40153554523 has 2 divisors, whose sum is σ = 40153554524. Its totient is φ = 40153554522.

The previous prime is 40153554433. The next prime is 40153554613. The reversal of 40153554523 is 32545535104.

It is a balanced prime because it is at equal distance from previous prime (40153554433) and next prime (40153554613).

It is a cyclic number.

It is not a de Polignac number, because 40153554523 - 2⁹ = 40153554011 is a prime.

It is a super-2 number, since 2×40153554523² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40153554323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20076777261 + 20076777262.

It is an arithmetic number, because the mean of its divisors is an integer number (20076777262).

Almost surely, 2^40153554523 is an apocalyptic number.

40153554523 is a deficient number, since it is larger than the sum of its proper divisors (1).

40153554523 is an equidigital number, since it uses as much as digits as its factorization.

40153554523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 40153554523 in words is "forty billion, one hundred fifty-three million, five hundred fifty-four thousand, five hundred twenty-three".