23211342 has 48 divisors (see below), whose sum is σ = 62704512. Its totient is φ = 6028560.

The previous prime is 23211337. The next prime is 23211361. The reversal of 23211342 is 24311232.

23211342 is a `hidden beast` number, since 2 + 321 + 1 + 342 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6988 + ... + 9759.

It is an arithmetic number, because the mean of its divisors is an integer number (1306344).

Almost surely, 2^23211342 is an apocalyptic number.

23211342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23211342 is an abundant number, since it is smaller than the sum of its proper divisors (39493170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23211342 is a wasteful number, since it uses less digits than its factorization.

23211342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16773 (or 16770 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 23211342 is about 4817.8150649439. The cubic root of 23211342 is about 285.2550993893.

Adding to 23211342 its reverse (24311232), we get a palindrome (47522574).

It can be divided in two parts, 2321 and 1342, that added together give a palindrome (3663).

The spelling of 23211342 in words is "twenty-three million, two hundred eleven thousand, three hundred forty-two".