21410267431623 has 8 divisors (see below), whose sum is σ = 32625169419648. Its totient is φ = 12234438532344.

The previous prime is 21410267431601. The next prime is 21410267431669. The reversal of 21410267431623 is 32613476201412.

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

It is not a de Polignac number, because 21410267431623 - 2⁶ = 21410267431559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21410267411623) 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, 509768272161 + ... + 509768272202.

It is an arithmetic number, because the mean of its divisors is an integer number (4078146177456).

Almost surely, 2^{21410267431623} is an apocalyptic number.

21410267431623 is a deficient number, since it is larger than the sum of its proper divisors (11214901988025).

21410267431623 is a wasteful number, since it uses less digits than its factorization.

21410267431623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019536544373.

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 21410267431623 in words is "twenty-one trillion, four hundred ten billion, two hundred sixty-seven million, four hundred thirty-one thousand, six hundred twenty-three".