12152343 has 36 divisors (see below), whose sum is σ = 19979640. Its totient is φ = 6549984.

The previous prime is 12152323. The next prime is 12152351. The reversal of 12152343 is 34325121.

It is not a de Polignac number, because 12152343 - 2¹³ = 12144151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12152323) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 52953 + ... + 53181.

It is an arithmetic number, because the mean of its divisors is an integer number (554990).

Almost surely, 2^12152343 is an apocalyptic number.

12152343 is a deficient number, since it is larger than the sum of its proper divisors (7827297).

12152343 is a wasteful number, since it uses less digits than its factorization.

12152343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 258 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 12152343 is about 3486.0210842736. The cubic root of 12152343 is about 229.9076062415.

Adding to 12152343 its reverse (34325121), we get a palindrome (46477464).

The spelling of 12152343 in words is "twelve million, one hundred fifty-two thousand, three hundred forty-three".