163123454 has 16 divisors (see below), whose sum is σ = 270630528. Its totient is φ = 73252512.

The previous prime is 163123451. The next prime is 163123487. The reversal of 163123454 is 454321361.

It is a super-2 number, since 2×163123454² = 53218522489780232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163123451) 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, 83822 + ... + 85745.

It is an arithmetic number, because the mean of its divisors is an integer number (16914408).

Almost surely, 2^163123454 is an apocalyptic number.

163123454 is a deficient number, since it is larger than the sum of its proper divisors (107507074).

163123454 is a wasteful number, since it uses less digits than its factorization.

163123454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169619.

The product of its digits is 8640, while the sum is 29.

The square root of 163123454 is about 12771.9792514708. The cubic root of 163123454 is about 546.3934311881.

The spelling of 163123454 in words is "one hundred sixty-three million, one hundred twenty-three thousand, four hundred fifty-four".