354220023 has 8 divisors (see below), whose sum is σ = 472870528. Its totient is φ = 235858104.

The previous prime is 354220003. The next prime is 354220037. The reversal of 354220023 is 320022453.

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

It is not a de Polignac number, because 354220023 - 2⁵ = 354219991 is a prime.

It is a super-3 number, since 3×354220023³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354220003) 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, 69265 + ... + 74202.

It is an arithmetic number, because the mean of its divisors is an integer number (59108816).

Almost surely, 2^354220023 is an apocalyptic number.

354220023 is a deficient number, since it is larger than the sum of its proper divisors (118650505).

354220023 is a wasteful number, since it uses less digits than its factorization.

354220023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144293.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 354220023 is about 18820.7338592309. The cubic root of 354220023 is about 707.5509237611.

Adding to 354220023 its reverse (320022453), we get a palindrome (674242476).

The spelling of 354220023 in words is "three hundred fifty-four million, two hundred twenty thousand, twenty-three".