354521423 has 4 divisors (see below), whose sum is σ = 362064480. Its totient is φ = 346978368.

The previous prime is 354521411. The next prime is 354521429. The reversal of 354521423 is 324125453.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324125453 = 23 ⋅14092411.

It is a cyclic number.

It is not a de Polignac number, because 354521423 - 2⁶ = 354521359 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 (354521429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3771458 + ... + 3771551.

It is an arithmetic number, because the mean of its divisors is an integer number (90516120).

Almost surely, 2^354521423 is an apocalyptic number.

354521423 is a deficient number, since it is larger than the sum of its proper divisors (7543057).

354521423 is an equidigital number, since it uses as much as digits as its factorization.

354521423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7543056.

The product of its digits is 14400, while the sum is 29.

The square root of 354521423 is about 18828.7392833402. The cubic root of 354521423 is about 707.7515480228.

Adding to 354521423 its reverse (324125453), we get a palindrome (678646876).

The spelling of 354521423 in words is "three hundred fifty-four million, five hundred twenty-one thousand, four hundred twenty-three".