123032477 has 4 divisors (see below), whose sum is σ = 124514880. Its totient is φ = 121550076.

The previous prime is 123032401. The next prime is 123032491. The reversal of 123032477 is 774230321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 774230321 = 607 ⋅1275503.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123032477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123032177) 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, 741077 + ... + 741242.

It is an arithmetic number, because the mean of its divisors is an integer number (31128720).

Almost surely, 2^123032477 is an apocalyptic number.

It is an amenable number.

123032477 is a deficient number, since it is larger than the sum of its proper divisors (1482403).

123032477 is an equidigital number, since it uses as much as digits as its factorization.

123032477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482402.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 123032477 is about 11092.0005860079. Note that the first 3 decimals coincide. The cubic root of 123032477 is about 497.3627502843.

Adding to 123032477 its reverse (774230321), we get a palindrome (897262798).

The spelling of 123032477 in words is "one hundred twenty-three million, thirty-two thousand, four hundred seventy-seven".