454351623 has 32 divisors (see below), whose sum is σ = 670298112. Its totient is φ = 271471200.

The previous prime is 454351609. The next prime is 454351633. The reversal of 454351623 is 326153454.

It is not a de Polignac number, because 454351623 - 2¹⁸ = 454089479 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454351633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 981090 + ... + 981552.

It is an arithmetic number, because the mean of its divisors is an integer number (20946816).

Almost surely, 2^454351623 is an apocalyptic number.

454351623 is a deficient number, since it is larger than the sum of its proper divisors (215946489).

454351623 is a wasteful number, since it uses less digits than its factorization.

454351623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835.

The product of its digits is 43200, while the sum is 33.

The square root of 454351623 is about 21315.5253981693. The cubic root of 454351623 is about 768.7716531412.

The spelling of 454351623 in words is "four hundred fifty-four million, three hundred fifty-one thousand, six hundred twenty-three".