234478453 has 4 divisors (see below), whose sum is σ = 255794688. Its totient is φ = 213162220.

The previous prime is 234478429. The next prime is 234478459. The reversal of 234478453 is 354874432.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 234478453 - 2¹³ = 234470261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234478459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10658101 + ... + 10658122.

It is an arithmetic number, because the mean of its divisors is an integer number (63948672).

Almost surely, 2^234478453 is an apocalyptic number.

It is an amenable number.

234478453 is a deficient number, since it is larger than the sum of its proper divisors (21316235).

234478453 is a wasteful number, since it uses less digits than its factorization.

234478453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21316234.

The product of its digits is 322560, while the sum is 40.

The square root of 234478453 is about 15312.6892804628. The cubic root of 234478453 is about 616.6437206298.

The spelling of 234478453 in words is "two hundred thirty-four million, four hundred seventy-eight thousand, four hundred fifty-three".