354240523 has 8 divisors (see below), whose sum is σ = 435988448. Its totient is φ = 280278144.

The previous prime is 354240521. The next prime is 354240529. The reversal of 354240523 is 325042453.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 354240523 - 2¹ = 354240521 is a prime.

It is a super-3 number, since 3×354240523³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 354240491 and 354240500.

It is not an unprimeable number, because it can be changed into a prime (354240521) 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, 1946286 + ... + 1946467.

It is an arithmetic number, because the mean of its divisors is an integer number (54498556).

Almost surely, 2^354240523 is an apocalyptic number.

354240523 is a deficient number, since it is larger than the sum of its proper divisors (81747925).

354240523 is a wasteful number, since it uses less digits than its factorization.

354240523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3892773.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 354240523 is about 18821.2784634838. The cubic root of 354240523 is about 707.5645730123.

Adding to 354240523 its reverse (325042453), we get a palindrome (679282976).

The spelling of 354240523 in words is "three hundred fifty-four million, two hundred forty thousand, five hundred twenty-three".