342023551 has 8 divisors (see below), whose sum is σ = 346480160. Its totient is φ = 337620816.

The previous prime is 342023537. The next prime is 342023557. The reversal of 342023551 is 155320243.

It is not a de Polignac number, because 342023551 - 2²³ = 333634943 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 (342023557) 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, 1092571 + ... + 1092883.

It is an arithmetic number, because the mean of its divisors is an integer number (43310020).

Almost surely, 2^342023551 is an apocalyptic number.

342023551 is a deficient number, since it is larger than the sum of its proper divisors (4456609).

342023551 is an frugal number, since it uses more digits than its factorization.

342023551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 342023551 is about 18493.8787440602. The cubic root of 342023551 is about 699.3351176531.

Adding to 342023551 its reverse (155320243), we get a palindrome (497343794).

The spelling of 342023551 in words is "three hundred forty-two million, twenty-three thousand, five hundred fifty-one".