349612023 has 16 divisors (see below), whose sum is σ = 489024000. Its totient is φ = 221864160.

The previous prime is 349611979. The next prime is 349612049. The reversal of 349612023 is 320216943.

It is not a de Polignac number, because 349612023 - 2¹⁰ = 349610999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349612723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22123 + ... + 34476.

It is an arithmetic number, because the mean of its divisors is an integer number (30564000).

Almost surely, 2^349612023 is an apocalyptic number.

349612023 is a deficient number, since it is larger than the sum of its proper divisors (139411977).

349612023 is a wasteful number, since it uses less digits than its factorization.

349612023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56702.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 349612023 is about 18697.9149372330. The cubic root of 349612023 is about 704.4693778988.

Adding to 349612023 its reverse (320216943), we get a palindrome (669828966).

The spelling of 349612023 in words is "three hundred forty-nine million, six hundred twelve thousand, twenty-three".