91401455410423 has 8 divisors (see below), whose sum is σ = 91585290802320. Its totient is φ = 91217701423680.

The previous prime is 91401455410417. The next prime is 91401455410451. The reversal of 91401455410423 is 32401455410419.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91401455410423 is a prime.

It is a super-2 number, since 2×91401455410423² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 91401455410423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91401455410453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18103188 + ... + 22594873.

It is an arithmetic number, because the mean of its divisors is an integer number (11448161350290).

Almost surely, 2^{91401455410423} is an apocalyptic number.

91401455410423 is a deficient number, since it is larger than the sum of its proper divisors (183835391897).

91401455410423 is a wasteful number, since it uses less digits than its factorization.

91401455410423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40702577.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 91401455410423 in words is "ninety-one trillion, four hundred one billion, four hundred fifty-five million, four hundred ten thousand, four hundred twenty-three".