154340431223 has 8 divisors (see below), whose sum is σ = 168396247056. Its totient is φ = 140288760000.

The previous prime is 154340431199. The next prime is 154340431247. The reversal of 154340431223 is 322134043451.

It is an interprime number because it is at equal distance from previous prime (154340431199) and next prime (154340431247).

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

It is a cyclic number.

It is not a de Polignac number, because 154340431223 - 2¹⁰ = 154340430199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 154340431223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154340431423) 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, 958028 + ... + 1107473.

It is an arithmetic number, because the mean of its divisors is an integer number (21049530882).

Almost surely, 2^154340431223 is an apocalyptic number.

154340431223 is a deficient number, since it is larger than the sum of its proper divisors (14055815833).

154340431223 is a wasteful number, since it uses less digits than its factorization.

154340431223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072305.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 154340431223 its reverse (322134043451), we get a palindrome (476474474674).

The spelling of 154340431223 in words is "one hundred fifty-four billion, three hundred forty million, four hundred thirty-one thousand, two hundred twenty-three".