423231154 has 4 divisors (see below), whose sum is σ = 634846734. Its totient is φ = 211615576.

The previous prime is 423231143. The next prime is 423231173. The reversal of 423231154 is 451132324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 406949929 + 16281225 = 20173^2 + 4035^2 .

It is a super-3 number, since 3×423231154³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105807787 + ... + 105807790.

Almost surely, 2^423231154 is an apocalyptic number.

423231154 is a deficient number, since it is larger than the sum of its proper divisors (211615580).

423231154 is a wasteful number, since it uses less digits than its factorization.

423231154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211615579.

The product of its digits is 2880, while the sum is 25.

The square root of 423231154 is about 20572.5825797346. The cubic root of 423231154 is about 750.8027872185.

Adding to 423231154 its reverse (451132324), we get a palindrome (874363478).

The spelling of 423231154 in words is "four hundred twenty-three million, two hundred thirty-one thousand, one hundred fifty-four".