23432143231403 has 4 divisors (see below), whose sum is σ = 23977076794968. Its totient is φ = 22887209667840.

The previous prime is 23432143231373. The next prime is 23432143231439. The reversal of 23432143231403 is 30413234123432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23432143231403 - 2¹⁸ = 23432142969259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23432143231463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272466781718 + ... + 272466781803.

It is an arithmetic number, because the mean of its divisors is an integer number (5994269198742).

Almost surely, 2^{23432143231403} is an apocalyptic number.

23432143231403 is a deficient number, since it is larger than the sum of its proper divisors (544933563565).

23432143231403 is an equidigital number, since it uses as much as digits as its factorization.

23432143231403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544933563564.

The product of its (nonzero) digits is 124416, while the sum is 35.

Adding to 23432143231403 its reverse (30413234123432), we get a palindrome (53845377354835).

The spelling of 23432143231403 in words is "twenty-three trillion, four hundred thirty-two billion, one hundred forty-three million, two hundred thirty-one thousand, four hundred three".