423550454 has 16 divisors (see below), whose sum is σ = 649816992. Its totient is φ = 206975808.

The previous prime is 423550409. The next prime is 423550471. The reversal of 423550454 is 454055324.

It is a super-2 number, since 2×423550454² = 358789974167212232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 423550454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20282 + ... + 35474.

It is an arithmetic number, because the mean of its divisors is an integer number (40613562).

Almost surely, 2^423550454 is an apocalyptic number.

423550454 is a deficient number, since it is larger than the sum of its proper divisors (226266538).

423550454 is a wasteful number, since it uses less digits than its factorization.

423550454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15511.

The product of its (nonzero) digits is 48000, while the sum is 32.

The square root of 423550454 is about 20580.3414451753. The cubic root of 423550454 is about 750.9915501563.

The spelling of 423550454 in words is "four hundred twenty-three million, five hundred fifty thousand, four hundred fifty-four".